1092747121 has 2 divisors, whose sum is σ = 1092747122. Its totient is φ = 1092747120.

The previous prime is 1092747119. The next prime is 1092747167. The reversal of 1092747121 is 1217472901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 702250000 + 390497121 = 26500^2 + 19761^2 .

It is a cyclic number.

It is not a de Polignac number, because 1092747121 - 2¹ = 1092747119 is a prime.

Together with 1092747119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1092747191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 546373560 + 546373561.

It is an arithmetic number, because the mean of its divisors is an integer number (546373561).

Almost surely, 2^1092747121 is an apocalyptic number.

It is an amenable number.

1092747121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1092747121 is an equidigital number, since it uses as much as digits as its factorization.

1092747121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 1092747121 is about 33056.7258058024. The cubic root of 1092747121 is about 1030.0063219520.

The spelling of 1092747121 in words is "one billion, ninety-two million, seven hundred forty-seven thousand, one hundred twenty-one".